Langchain Showcase

Description

This repository serves mainly as a playground and showcase of Langchain features and APIs.

Current list of showcased features:

• few-shot learning with model acting as a american western hostel-owning cowboy (with templates)
• call basic model
• call model acting as a american western hostel-owning cowboy
• action agent (with memory)
• plan-and-execute agent (with memory)

Usage

1. Run npm i

2. Create .env file and insert environment variables

OPENAI_API_KEY=your-open-api-key
HUGGINGFACEHUB_API_KEY=your-hugging-face-api-key
COHERE_API_KEY=your-cohere-api-key
REPLICATE_API_KEY=your-replicate-api-key
SERPAPI_API_KEY=your-serpapi-api-key

VERBOSE=true # optional - turns on more verbose mode
USER_PROMPT="Who are you?" # optional - injects prompt for call methods or few-shot learning. Can be also done by running start/watch commands

3. Run script

npm run start

For verbose mode, run

npm run start:verbose

Alternatively, if you want to run watch mode, just replace start with watch